linux-kernel - [l1k:smsc95xx_5.17 21/887] ld.lld: error: undefined symbol: v4wb_dma_inv

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Date:   Fri, 8 Apr 2022 23:23:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dan Pasanen <dan.pasanen@...il.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Dom Cobley <popcornmix@...il.com>
Subject: [l1k:smsc95xx_5.17 21/887] ld.lld: error: undefined symbol:
 v4wb_dma_inv_range

tree:   https://github.com/l1k/linux smsc95xx_5.17
head:   05d68ced287b30f62f18f95b5476135ef669804a
commit: 158c801c65d225eb8dd0ca0eb79e7bee23710294 [21/887] arm: partially revert 702b94bff3c50542a6e4ab9a4f4cef093262fe65
config: arm-randconfig-r026-20220408 (https://download.01.org/0day-ci/archive/20220408/202204082305.3yjg0eTb-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c29a51b3a257908aebc01cd7c4655665db317d66)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/l1k/linux/commit/158c801c65d225eb8dd0ca0eb79e7bee23710294
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k smsc95xx_5.17
        git checkout 158c801c65d225eb8dd0ca0eb79e7bee23710294
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected
   ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected
>> ld.lld: error: undefined symbol: v4wb_dma_inv_range
   >>> referenced by proc-syms.c
   >>> mm/proc-syms.o:(__ksymtab_v4wb_dma_inv_range) in archive arch/arm/built-in.a
--
>> ld.lld: error: undefined symbol: v4wb_dma_clean_range
   >>> referenced by proc-syms.c
   >>> mm/proc-syms.o:(__ksymtab_v4wb_dma_clean_range) in archive arch/arm/built-in.a

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp